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Eureka 服务注册与发现02——集群版

發布時間：2025/4/16 编程问答 13 豆豆

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C:\Windows\System32\drivers\etc

cloud-eureka-server7002 的pom文件

<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><parent><artifactId>dym_cloud2021</artifactId><groupId>com.atguigu.springcloud</groupId><version>1.0-SNAPSHOT</version></parent><modelVersion>4.0.0</modelVersion><artifactId>cloud-eureka-server7002</artifactId><dependencies><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-netflix-eureka-server</artifactId></dependency><dependency><groupId>com.atguigu.springcloud</groupId><artifactId>cloud-api-commons</artifactId><version>${project.version}</version></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-actuator</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-devtools</artifactId><scope>runtime</scope><optional>true</optional></dependency><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency><dependency><groupId>junit</groupId><artifactId>junit</artifactId></dependency></dependencies></project>

application.yml

server:port: 7002eureka:instance:hostname: eureka7002.com #eureka服務端的實例名稱client:register-with-eureka: false #false表示不向注冊中心注冊自己。fetch-registry: false #false表示自己端就是注冊中心，我的職責就是維護服務實例，并不需要去檢索服務service-url:#集群指向其它eurekadefaultZone: http://eureka7001.com:7001/eureka/#單機就是自己#defaultZone: http://eureka7002.com:7002/eureka/

EurekaMain7002.java

package com.dym.springcloud;import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cloud.netflix.eureka.EnableEurekaClient; import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;@EnableEurekaServer @SpringBootApplication public class EurekaMain7002 {public static void main(String[] args) {SpringApplication.run(EurekaMain7002.class,args);} }

cloud-eureka-server7001 的pom文件

<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><parent><artifactId>dym_cloud2021</artifactId><groupId>com.atguigu.springcloud</groupId><version>1.0-SNAPSHOT</version></parent><modelVersion>4.0.0</modelVersion><artifactId>cloud-eureka-server7001</artifactId><dependencies><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-netflix-eureka-server</artifactId></dependency><dependency><groupId>com.atguigu.springcloud</groupId><artifactId>cloud-api-commons</artifactId><version>${project.version}</version></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-actuator</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-devtools</artifactId><scope>runtime</scope><optional>true</optional></dependency><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency><dependency><groupId>junit</groupId><artifactId>junit</artifactId></dependency></dependencies></project>

application.yml

server:port: 7001eureka:instance:hostname: eureka7001.com #eureka服務端的實例名稱client:register-with-eureka: false #false表示不向注冊中心注冊自己。fetch-registry: false #false表示自己端就是注冊中心，我的職責就是維護服務實例，并不需要去檢索服務service-url:#集群指向其它eurekadefaultZone: http://eureka7002.com:7002/eureka/

EurekaMain7001.java

package com.dym.springcloud;import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;@SpringBootApplication @EnableEurekaServer public class EurekaMain7001 {public static void main(String[] args) {SpringApplication.run(EurekaMain7001.class,args);} }

package com.dym.springcloud.controller;import com.dym.springcloud.entities.CommonResult; import com.dym.springcloud.entities.Payment; import com.dym.springcloud.service.PaymentService; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.factory.annotation.Value; import org.springframework.web.bind.annotation.*;import javax.annotation.Resource;@RestController @Slf4j public class PaymentController {@Resourceprivate PaymentService paymentService;@Value("${server.port}")private String serverPort;@PostMapping(value ="/payment/create")public CommonResult create(@RequestBody Payment payment){int result=paymentService.create(payment);log.info("********插入結果："+result);if(result>0){return new CommonResult(200,"插入數據庫成功,serverPort:"+serverPort,result);}else{return new CommonResult(444,"插入數據庫失敗",null);}}@GetMapping(value ="/payment/get/{id}")public CommonResult<Payment> getPaymentById(@PathVariable("id") Long id){Payment payment=paymentService.getPaymentById(id);log.info("********查詢結果："+payment+"\t"+"哈哈666");if(payment!=null){return new CommonResult(200,"查詢成功,serverPort:"+serverPort,payment);}else{return new CommonResult(444,"沒有對應的記錄,查詢ID："+id,null);}}}

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